CaratHunter
Plans
Asscher|Lab Grown|IGI

1.25ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG620471773

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620471773

Diamond specifications and retailer prices

From £485 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £485 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.25ct lab-grown asscher diamond

This 1.25ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620471773 or 620471773. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.25
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620471773
Dimensions5.87 × 5.82 × 3.92 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.87 mm5.82 mm1.25 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620471773
Side View
Table 65.0%Crown 37.5°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £388 GBP|Low: £254 GBP|High: £963 GBP|Avg: £527 GBP|-5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
March 18, 2026
Retailer 4£255 GBP
Retailer 1£388 GBP
Retailer 6£494 GBP
Retailer 3£500 GBP
Retailer 5£851 GBP
Retailer 2£963 GBP

25 data points across 6 retailers

1 retailer

B
Diamond Quarter
1.25SI1GLG73AD9FN · Oct 31
£485 GBP
View

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.25ct Asscher
£485 GBP